{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "DNA", "cell type", "RNA"], "input": "We have previously identified a T lymphocyte protein which binds to a site within the LTR of the human immunodeficiency virus type 1 ( HIV-1 ) and exerts an inhibitory effect on virus gene expression ."}
{"cell line": [], "protein": ["T lymphocyte protein"], "DNA": ["LTR"], "cell type": [], "RNA": []}